The treatment of cough at night needs to identify the cause of the disease and then treat the cause. You can go to the hospital to check the blood routine. If the white blood cells and neutrophils are high, it is considered that the respiratory tract infection is caused by bacteria, and it is recommended to use relevant anti-inflammatory drugs for anti-infective treatment, such as β-lactams and macrolides. If the lymphocyte count is elevated, it is considered that the respiratory tract infection is caused by virus, and antiviral drugs, such as ribavirin, can be used. If the cough occurs at night during sleep, especially if there is usually too much stomach acid, it is considered to be gastroesophageal reflux patients, gastric reflux stimulation of epiglottis leads to coughing, treatment is recommended not to eat too much food at dinner before going to bed, and you can take medications related to reducing stomach acid, such as cimetidine. If the cough is more frequent, you need to treat the symptoms and take relevant cough suppressant drugs, such as compound licorice tablets, lung force cough synergist and so on.